Email and security software trusted by companies in over 140 countries since 1996. Safe. Reliable. Affordable. Oh, and it's easy to use!
Joined August 2009
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SPF, DKIM, DMARC — the three email authentication standards every domain admin should understand.
SPF — Is this server authorized to send on your behalf?
DKIM — Was this message tampered with in transit?
DMARC — What happens when either check fails?
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Microsoft blocked ~8.3B phishing emails in Q1 2026. AI-written lures are getting harder to spot.
SecurityGateway™ uses AI Email Classification, anti-spoofing, Account Hijack Detection, and dual AV to protect M365, Exchange, and any SMTP server.
🔗 na2.hubs.ly/H063x560
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See MDaemon Email Server in action in our new & improved product overview video, where you'll learn about MDaemon's strong protection against spam & phishing, webmail & collaboration features, web conferencing, easy backup & restore, and much more. na2.hubs.ly/H061bDB0
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Don't let bad actors infect your email archives. Here's how a secure email gateway like SecurityGateway™ helps keep malicious content out of your email backups. na2.hubs.ly/H05_g-k0
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Tired of rising per-user fees and giving up control of your business email? MDaemon Email Server is the trusted alternative to Microsoft Exchange & Microsoft 365 — easy to manage and priced for the real world. na2.hubs.ly/H05Wzsc0 | #ExchangeAlternative #M365Alternative
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Learn how to protect your domain from spoofing in part 2 of our email authentication series: Hardening DMARC from p=none to p=reject without breaking mail: prerequisites, phased rollout cadence, common pitfalls, and MDaemon-specific setup steps. na2.hubs.ly/H05RQCn0
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Why messages that fail SPF, DKIM, or DMARC still reach inboxes, and how to fix it in MDaemon - na2.hubs.ly/H05NM500
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Looking for a solution to integrate conference room booking with your mail server? Door Tablet can be integrated with MDaemon for easy meeting room booking & management. na2.hubs.ly/H05KLTP0
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Most SMB email servers leave encryption as someone else's problem. MDaemon builds OpenPGP right in — automatic key generation, key exchange, and management at the server level. Integrated encryption without asking your users to figure it out. na2.hubs.ly/H05mZpT0
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MDaemon administrators - Looking for an easy way to see when a user logged into MDaemon Webmail? Open the account in MDaemon Remote Administration & under the Account Details tab, you'll see up to 30 of the most recent webmail logins. Visit na2.hubs.ly/H05mXGZ0 to learn more!
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Are you running outdated email server software? Here's how to update from an older, unsupported version of MDaemon. na2.hubs.ly/H05mWJJ0
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Protect users on Microsoft Exchange, Microsoft 365 & other email platforms from spam & phishing threats. Here are 15 best practices for protecting your email with SecurityGateway™ na2.hubs.ly/H05lrfW0
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In our latest blog post, we walk you through how SecurityGateway™ intercepts email-borne threats such as spam, phishing & malware before they reach your mail server, whether you're on Microsoft 365, Microsoft Exchange, or another platform. na2.hubs.ly/H05hzFj0 #EmailSecurity
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Your SecurityGateway dashboard ships with great defaults.
The Custom Charts feature is where even greater visibility lives.
5 charts every email admin should set up today 👇
na2.hubs.ly/H05dYNJ0
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M365 renewal quotes climbing again?
MDaemon Email Server: feature-rich Exchange/M365 alternative. No per-user tax. On-prem or hosted. Trusted in 140 countries for 25 years.
Free 30-day trial → na2.hubs.ly/H05bpj30
#EmailServer #M365Alternative
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SecurityGateway™ provides spam filtering, email security, data leak prevention, archiving & compliance for Microsoft Exchange Server, Microsoft 365, G-Suite/Google Workspace, and other email servers. Watch our feature overview webinar to learn more!
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Email is your biggest attack surface — and your weakest link.
Our new Security Best Practices white paper covers MDaemon's 5-layer defense model: spam filtering, AV scanning, SPF/DKIM/DMARC, encryption, and access controls.
Learn more here: na2.hubs.ly/H050b-r0
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Email is the most popular vector for hackers to infiltrate businesses with malware. Here are 18 email security tips every user should know to protect against spam, phishing & malware. na2.hubs.ly/H04XNks0
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Looking for a solution to integrate conference room booking with your mail server? Door Tablet can be integrated with MDaemon for easy meeting room booking & management. na2.hubs.ly/H04T-dw0
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Don't let bad actors infect your email archives. Here's how a secure email gateway like SecurityGateway™ helps keep malicious content out of your email backups. na2.hubs.ly/H04RQhX0
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